Home / 25,439.96-38,150.35-10,649.90

Finding the Fourth Proportional to 25,439.96, 38,150.35 and 10,649.90

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Solution

The fourth proportional to 25,439.96, 38,150.35 and 10,649.90 is: 15,970.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,439.96 : 38,150.35 = 10,649.90 : x
  2. Step 2: Convert to fraction form
    25,439.96/38,150.35 = 10,649.90/x
  3. Step 3: Cross multiply
    25,439.96x = 38,150.35 × 10,649.90
  4. Step 4: Simplify right side
    25,439.96x = 406,297,412.47
  5. Step 5: Solve for x
    x = 406,297,412.47/25,439.96
  6. Step 6: Final answer
    x = 15,970.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.